document.write( "Question 257190: The sum of the square roots of two numbers is 5. The two numbers differ by 5.
\n" ); document.write( "What are the numbers?
\n" ); document.write( "

Algebra.Com's Answer #189122 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
let a be the larger number.
\n" ); document.write( "let b be the smaller number.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "formulas are:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28a%29+%2B+sqrt%28b%29+=+5\" (first equation)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a-b+=+5\" (second equation)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "use the first equation to solve for a in terms of b.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "first equation is:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28a%29+%2B+sqrt%28b%29+=+5\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "subtract \"sqrt%28b%29\" from both sides of this equation to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28a%29+=+5+-+sqrt%28b%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "square both sides of this equation to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a+=+25+-+10%2Asqrt%28b%29+%2B+b\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "substitute in second equation to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"25+-+10%2Asqrt%28b%29+%2B+b+-+b+=+5\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "combine like terms to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"25+-+10%2Asqrt%28b%29+=+5\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "subtract 25 from both sides of this equation to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-10%2Asqrt%28b%29+=+5-25+=+-20\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "divide both sides of this equation by (-10) to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28b%29+=+2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "square both sides of this equation to get:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"b+=+4\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "if b = 4, than a-b = 5 becomes a-4 = 5 becomes a = 9.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "you have:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "a = 9
\n" ); document.write( "b = 4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "a-b = 5 becomes 9-4 = 5 confirming second equation is true.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28a%29+%2B+sqrt%28b%29+=+5\" becomes \"sqrt%289%29+%2B+sqrt%284%29+=+5\" becomes 3+2 = 5 confirming second equation is true.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "answer is:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "the numbers are 4 and 9.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );